●builderLimited preview access means you can begin evaluating Sol, Terra, and Luna now before general availability — watch for API access announcements.
●founderA new GPT-5 family tier reshapes the competitive model landscape; assess whether your product positioning depends on capabilities only Sol-class models provide.
●policyStronger cyber and bio safety testing signals OpenAI is hardening evaluation frameworks ahead of broader deployment — worth tracking what the system card discloses.